<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
	<script type="text/javascript" src="../script/jquery-1.7.2.js"></script>
	<script type="text/javascript">

		// window.onload = function (){
		// 	var btnObj = document.getElementById("btnId");
		// 	btnObj.onclick = function (){
		// 		alert("js原生的单击事件");
		// 	}
		// }

		$(function (){	//表示页面加载完成之后，相当于window.onload = function(){}
			var $btnObj = $("#btnId"); //表示按id查询标签对象
			$btnObj.click(function (){
				alert("jQuery单机事件");
			});
		});

	</script>
</head>
<body>

<button id="btnId">SayHello</button>

</body>
</html>